private async void Delete()
{
var answer = await Application.Current.MainPage.DisplayAlert(Languages.Confirm, Languages.DeleteConfirmation, Languages.Yes, Languages.No);
if (!answer)
{
return;
}
this.IsRunning = true;
this.isEnabled = false;
var connection = await this.apiService.CheckConnection(false);
if (!connection.IsSuccess)
{
this.IsRunning = false;
this.isEnabled = true;
await Application.Current.MainPage.DisplayAlert(Languages.Error, connection.Message, Languages.Accept);
return;
}
var url = Application.Current.Resources["UrlAPI"].ToString();
var prefix = Application.Current.Resources["UrlPrefix"].ToString();
var controller = Application.Current.Resources["UrlProductsController"].ToString();
var response = await this.apiService.Delete(url, prefix, controller, this.Product.ProductId, Settings.TokenType, Settings.AccessToken);
if (!response.IsSuccess)
{
this.IsRunning = false;
this.isEnabled = true;
await Application.Current.MainPage.DisplayAlert(Languages.Error, response.Message, Languages.Accept);
return;
}
//debo actualizar la lista
var productViewModel = ProductsViewModel.GetInstance();
var deletedProduct = productViewModel.MyProducts.Where(p => p.ProductId == this.Product.ProductId).FirstOrDefault();
if (deletedProduct != null)
{
productViewModel.MyProducts.Remove(deletedProduct);
}
productViewModel.RefreshList();
this.IsRunning = false;
this.isEnabled = true;
//nos devolvemos a la página anterior
await App.Navigator.PopAsync();
}
public MainViewModel()
{
this.Products = new ProductsViewModel();
}
private async void Save()
{
if (string.IsNullOrEmpty(this.Product.Description))
{
await Application.Current.MainPage.DisplayAlert(Languages.Error, Languages.DescriptionError, Languages.Accept);
return;
}
if (this.Product.Price <= 0)
{
await Application.Current.MainPage.DisplayAlert(Languages.Error, Languages.PriceError, Languages.Accept);
return;
}
if (this.Category == null)
{
await Application.Current.MainPage.DisplayAlert(
Languages.Error,
Languages.CategoryError,
Languages.Accept);
return;
}
this.IsRunning = true;
this.IsEnabled = false;
var connection = await this.apiService.CheckConnection(false);
if (!connection.IsSuccess)
{
this.IsRunning = false;
this.IsEnabled = true;
await Application.Current.MainPage.DisplayAlert(Languages.Error, connection.Message, Languages.Accept);
return;
}
//verifico que el usuario haya seleccionado una foto, ya sea de la galeria o la tiró desde la camara
byte[] imageArray = null;
if (this.file != null)
{
imageArray = FilesHelper.ReadFully(this.file.GetStream());
this.Product.ImageArray = imageArray;
}
this.Product.CategoryId = this.Category.CategoryId;
var url = Application.Current.Resources["UrlAPI"].ToString();
var prefix = Application.Current.Resources["UrlPrefix"].ToString();
var controller = Application.Current.Resources["UrlProductsController"].ToString();
var response = await this.apiService.Put(url, prefix, controller, this.Product, this.Product.ProductId, Settings.TokenType, Settings.AccessToken);
if (!response.IsSuccess)
{
this.IsRunning = false;
this.IsEnabled = true;
await Application.Current.MainPage.DisplayAlert(Languages.Error, response.Message, Languages.Accept);
return;
}
var newProduct = (Product)response.Result;
var productsViewModel = ProductsViewModel.GetInstance();
var oldProduct = productsViewModel.MyProducts.Where(p => p.ProductId == this.Product.ProductId).FirstOrDefault();
if (oldProduct != null)
{
productsViewModel.MyProducts.Remove(oldProduct);
}
productsViewModel.MyProducts.Add(newProduct);
productsViewModel.RefreshList();
this.IsRunning = false;
this.IsEnabled = true;
await App.Navigator.PopAsync();
}
private async void Save()
{
if (string.IsNullOrEmpty(this.Description))
{
await Application.Current.MainPage.DisplayAlert(Languages.Error, Languages.DescriptionError, Languages.Accept);
return;
}
if (string.IsNullOrEmpty(this.Price))
{
await Application.Current.MainPage.DisplayAlert(Languages.Error, Languages.PriceError, Languages.Accept);
return;
}
var price = decimal.Parse(this.Price);
if (price <= 0)
{
await Application.Current.MainPage.DisplayAlert(Languages.Error, Languages.PriceError, Languages.Accept);
return;
}
if (this.Category == null)
{
await Application.Current.MainPage.DisplayAlert(Languages.Error, Languages.CategoryError, Languages.Accept);
return;
}
this.IsRunning = true;
this.IsEnabled = false;
var connection = await this.apiService.CheckConnection(false);
if (!connection.IsSuccess)
{
this.IsRunning = false;
this.IsEnabled = true;
await Application.Current.MainPage.DisplayAlert(Languages.Error, connection.Message, Languages.Accept);
return;
}
//verifico que el usuario haya seleccionado una foto, ya sea de la galeria o la tiró desde la camara
byte[] imageArray = null;
if (this.file != null)
{
imageArray = FilesHelper.ReadFully(this.file.GetStream());
}
var location = await this.GetLocation();
var product = new Product
{
Description = this.Description,
Price = price,
Remarks = this.Remarks,
ImageArray = imageArray,
CategoryId = this.Category.CategoryId,
UserId = MainViewModel.GetInstance().UserASP.Id,
Latitude = location == null ? 0 : location.Latitude,
Longitude = location == null ? 0 : location.Longitude,
};
var url = Application.Current.Resources["UrlAPI"].ToString();
var prefix = Application.Current.Resources["UrlPrefix"].ToString();
var controller = Application.Current.Resources["UrlProductsController"].ToString();
var response = await this.apiService.Post(url, prefix, controller, product, Settings.TokenType, Settings.AccessToken);
if (!response.IsSuccess)
{
this.IsRunning = false;
this.IsEnabled = true;
await Application.Current.MainPage.DisplayAlert(Languages.Error, response.Message, Languages.Accept);
return;
}
var newProduct = (Product)response.Result;
var productsViewModel = ProductsViewModel.GetInstance();
productsViewModel.MyProducts.Add(newProduct);
productsViewModel.RefreshList();
this.IsRunning = false;
this.IsEnabled = true;
await App.Navigator.PopAsync();
}